package com.myproject.mall.goods.service;

import com.myproject.mall.domain.vo.GoodsVO;

import java.util.List;

public interface IRecommendService {

    List<GoodsVO> recommend(String userId);

    void addViewHistory(Long view);

    List<GoodsVO> getViewHistory();

    List<GoodsVO> getHot(int time, int size);
}
